Cigarette lighter



FIG. 1 is a perspective view of the cigarette lighter embodying my design;

FIG. 2 is a top view;

FIG. 3 is a front elevational view;

FIG. 4 is a left side view;

FIG. 5 is a right side view;

FIG. 6 is a bottom view; and

FIG. 7 is a right side perspective view. 

The ornamental design for a cigarette lighter, as shown. 